OK, I’ve always had trouble with this idea. As far as I’ve ever known, when you drop ice in a glass of water, the ice already displaces an amount of water equal to the amount of water in the ice. So as it melts, it won’t cause the water to suddenly overfull the glass. So what’s different about the polar ice that makes it so that it will raise the sea level if it’s already floating in the sea to begin with?
In: Planetary Science
Sea ice won’t raise sea levels, but land ice will, and there’s lots of ice on land.
Both will also reduce the salinity of the ocean, and disrupt ocean currents.
Warming oceans also mean the water will expand
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